diff --git a/inventory/builders b/inventory/builders
index 40ae7b54ef..1460eb86d4 100644
--- a/inventory/builders
+++ b/inventory/builders
@@ -46,7 +46,7 @@ buildvm-x86-05.stg.iad2.fedoraproject.org
 # buildvm-armv7-01.stg.arm.fedoraproject.org
 
 [buildvm_s390x_stg]
-# buildvm-s390x-01.stg.s390.fedoraproject.org
+buildvm-s390x-01.stg.s390.fedoraproject.org
 
 [buildvm_ppc64le_stg]
 # buildvm-ppc64le-01.stg.ppc.fedoraproject.org
@@ -281,7 +281,7 @@ buildvm-a32-02.iad2.fedoraproject.org
 buildvm-ppc64le-01.iad2.fedoraproject.org
 buildvm-ppc64le-02.iad2.fedoraproject.org
 buildvm-ppc64le-03.iad2.fedoraproject.org
-# buildvm-s390x-01.stg.s390.fedoraproject.org
+buildvm-s390x-01.stg.s390.fedoraproject.org
 buildvm-s390x-15.s390.fedoraproject.org
 buildvm-s390x-16.s390.fedoraproject.org
 buildvm-s390x-17.s390.fedoraproject.org